package com.sym.demo.duotai;

import lombok.Data;

/**
 * @Author: su_yongming
 * @Date: 2021/3/16 15:14
 */
@Data
public class A {
    public String show(D obj) {
        return ("A and D");
    }

    public String show(A obj) {
        return ("A and A");
    }
}